Identify the Quadratic Graph

Which parent function matches the graph?

• y = |x|

• y = ∛(x)

• y = x²

• y = a⋅b^x

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up

• (5, 2); opens down

• (-5, 2); opens up

• (-5, 2); opens down

What is the significance of the ordered pair (2, -4) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Which answer choice describes y = -3x² +7x - 2 accurately

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum

This is a graph of a quadratic function. It is called a _______.

• line

• u

• parabola

• graph

Answer explanation

Menaechmus (380–320 BC) discovered the parabola, and Apollonius of Perga (262 BC–c190 BC) first named it. -simple.wikipedia.org

Identify the function graphed here.

Which equation is graphed above? HINT: Calculator - 'nuff said!

Which of the following graph represents quadratic function?

• A

• B

• C

• D

• A

• B

What is the name of a quadratic graph?

• vertex

• axis of symmetry

• parabola

• zero